Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi trinh di snippets" » "doi trinh code snippets", "doc trinh di snippets", "doi tinh di snippets", "dong trinh di snippets", "doi trinh do snippets", "doi trinh dien snippets", "doi trinh dinh snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi trinh di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi trinh di snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi trinh di snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi trinh di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.